[ 1.771231] netdevsim netdevsim868 eni868np1: renamed from eth0 [ 1.863604] netdevsim netdevsim868 eni868np1: set [0, 0] type 1 family 0 port 4789 - 0 [ 1.921351] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 1.921446] #PF: supervisor write access in kernel mode [ 1.921501] #PF: error_code(0x0002) - not-present page [ 1.921556] PGD 301d067 P4D 301d067 PUD 69ae067 PMD 0 [ 1.921620] Oops: Oops: 0002 [#1] SMP [ 1.921663] CPU: 1 UID: 0 PID: 256 Comm: ip Not tainted 6.18.0-rc5-virtme #1 PREEMPT(voluntary) [ 1.921766] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1.921835] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 1.921904] Code: 83 e6 01 41 57 41 56 4c 8d 77 20 41 55 41 54 41 89 f4 55 48 89 d5 53 48 89 fb 9c 58 fa 48 89 45 00 45 85 e4 0f 85 8a 00 00 00 48 0f ba 2b 00 41 0f 92 c5 72 0e 5b 44 89 e8 5d 41 5c 41 5d 41 [ 1.922095] RSP: 0018:ffffa673002e36b8 EFLAGS: 00010046 [ 1.922151] RAX: 0000000000000246 RBX: 0000000000000000 RCX: ffffffffb199af80 [ 1.922234] RDX: ffffa673002e36f0 RSI: 0000000000000000 RDI: 0000000000000000 [ 1.922316] RBP: ffffa673002e36f0 R08: 0000000000000400 R09: 0000000000000001 [ 1.922399] R10: 0000000000000001 R11: 000000000000004e R12: 0000000000000000 [ 1.922481] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 1.922566] FS: 00007fb826ba0800(0000) GS:ffff92460c859000(0000) knlGS:0000000000000000 [ 1.922656] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1.922730] CR2: 0000000000000000 CR3: 00000000069b3003 CR4: 0000000000772ef0 [ 1.922814] PKRU: 55555554 [ 1.922847] Call Trace: [ 1.922877] [ 1.922912] __cancel_work+0x29/0xe0 [ 1.922967] __cancel_work_sync+0x16/0x80 [ 1.923016] __dev_close_many+0x113/0x2b0 [ 1.923065] __dev_change_flags+0xed/0x220 [ 1.923114] netif_change_flags+0x25/0x60 [ 1.923155] do_setlink.constprop.0+0x2fd/0x1170 [ 1.923212] ? __nla_validate_parse+0x5d/0xe70 [ 1.923273] ? __kmalloc_cache_noprof+0x3a5/0x4b0 [ 1.923337] rtnl_newlink+0x7fa/0xc00 [ 1.923386] ? virtio_fs_enqueue_req+0x352/0x570 [ 1.923448] ? netdev_run_todo+0x63/0x550 [ 1.923490] ? rtnl_setlink+0x2c0/0x2c0 [ 1.923531] rtnetlink_rcv_msg+0x358/0x400 [ 1.923573] ? get_page_from_freelist+0x15b4/0x1770 [ 1.923636] ? rtnl_calcit.isra.0+0x110/0x110 [ 1.923690] netlink_rcv_skb+0x57/0x100 [ 1.923734] netlink_unicast+0x252/0x380 [ 1.923780] ? __alloc_skb+0xfc/0x1e0 [ 1.923821] netlink_sendmsg+0x1be/0x3e0 [ 1.923862] ____sys_sendmsg+0x132/0x260 [ 1.923904] ? copy_msghdr_from_user+0x6c/0xa0 [ 1.923961] ___sys_sendmsg+0x87/0xd0 [ 1.924010] ? do_wp_page+0x369/0xe90 [ 1.924058] ? ___pte_offset_map+0x1b/0xd0 [ 1.924101] ? __handle_mm_fault+0x4e6/0xe50 [ 1.924163] ? fsnotify_grab_connector+0x48/0x80 [ 1.924227] ? fsnotify_destroy_marks+0x29/0x150 [ 1.924282] __sys_sendmsg+0x71/0xd0 [ 1.924330] do_syscall_64+0xa4/0xfd0 [ 1.924379] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 1.924433] RIP: 0033:0x7fb826d6e1d7 [ 1.924481] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 [ 1.924674] RSP: 002b:00007ffd635a7c08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1.924758] RAX: ffffffffffffffda RBX: 00007ffd635a8330 RCX: 00007fb826d6e1d7 [ 1.924839] RDX: 0000000000000000 RSI: 00007ffd635a7c70 RDI: 0000000000000005 [ 1.924923] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078 [ 1.925007] R10: 00007fb826c6af60 R11: 0000000000000246 R12: 0000000000000003 [ 1.925094] R13: 00000000691cc764 R14: 0000000000499600 R15: 0000000000000000 [ 1.925184] [ 1.925218] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel netdevsim [ 1.925298] CR2: 0000000000000000 [ 1.925342] ---[ end trace 0000000000000000 ]--- [ 1.925399] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 1.925457] Code: 83 e6 01 41 57 41 56 4c 8d 77 20 41 55 41 54 41 89 f4 55 48 89 d5 53 48 89 fb 9c 58 fa 48 89 45 00 45 85 e4 0f 85 8a 00 00 00 48 0f ba 2b 00 41 0f 92 c5 72 0e 5b 44 89 e8 5d 41 5c 41 5d 41 [ 1.925659] RSP: 0018:ffffa673002e36b8 EFLAGS: 00010046 [ 1.925718] RAX: 0000000000000246 RBX: 0000000000000000 RCX: ffffffffb199af80 [ 1.925802] RDX: ffffa673002e36f0 RSI: 0000000000000000 RDI: 0000000000000000 [ 1.925886] RBP: ffffa673002e36f0 R08: 0000000000000400 R09: 0000000000000001 [ 1.925971] R10: 0000000000000001 R11: 000000000000004e R12: 0000000000000000 [ 1.926056] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 1.926143] FS: 00007fb826ba0800(0000) GS:ffff92460c859000(0000) knlGS:0000000000000000 [ 1.926229] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1.926309] CR2: 0000000000000000 CR3: 00000000069b3003 CR4: 0000000000772ef0 [ 1.926395] PKRU: 55555554 [ 1.926422] note: ip[256] exited with irqs disabled [ 1.926647] ip (256) used greatest stack depth: 11592 bytes left WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr